Bunny versus Rabbit

What is the Difference Between Bunny and Rabbit?

When to Use Rabbit

The word rabbit is a noun. A rabbit is a type of mammal. They are small, furry animals with large ears and powerful back legs that can be seen hopping around in meadows in the springtime.

When to Use Bunny

Bunny is another noun and another name for a rabbit, but it usually refers to a young rabbit, often a baby rabit.

The diminutive bunny is unscientific and should be avoided in contexts requiring taxonomical precision.

Summary

Is it bunny or rabbit? Both of these words refer to the same mammal, but they usually refer to that mammal at different stages of development.

A rabbit a type of small mammal.
A bunny is a small or baby rabbit.